+++ /dev/null
-From 3f8c7542e12f23f6be2cd7206fbf808409db2848 Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Tue, 6 Nov 2018 12:57:48 +0000
-Subject: [PATCH] sc16is7xx: Don't spin if no data received
-
-See: https://github.com/raspberrypi/linux/issues/2676
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.org>
----
- drivers/tty/serial/sc16is7xx.c | 2 ++
- 1 file changed, 2 insertions(+)
-
---- a/drivers/tty/serial/sc16is7xx.c
-+++ b/drivers/tty/serial/sc16is7xx.c
-@@ -696,6 +696,8 @@ static bool sc16is7xx_port_irq(struct sc
- rxlen = sc16is7xx_port_read(port, SC16IS7XX_RXLVL_REG);
- if (rxlen)
- sc16is7xx_handle_rx(port, rxlen, iir);
-+ else
-+ return false;
- break;
- case SC16IS7XX_IIR_THRI_SRC:
- sc16is7xx_handle_tx(port);